"'Tis hard, that in the Plan or Description of this Clock-work, no Wheel or Ballance shou'd be allow'd on the side of the better and more enlarg'd Affections; that nothing shou'd be understood to be done in Kindness or Generosity; nothing in pure good-Nature or Friendship , or thro any social or ...

"Shou'd a Philosopher, after the same manner [as a visitor to a Watchmaker's Shop], employing himself in the Study of human Nature, discover only, what Effects each Passion wrought upon the Body; what change of Aspect or Feature they produc'd; and in what different manner they affected the Limbs ...